CN214659412U - Linkage unlocking structure of door opening knob - Google Patents
Linkage unlocking structure of door opening knob Download PDFInfo
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- CN214659412U CN214659412U CN202121088980.7U CN202121088980U CN214659412U CN 214659412 U CN214659412 U CN 214659412U CN 202121088980 U CN202121088980 U CN 202121088980U CN 214659412 U CN214659412 U CN 214659412U
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- door opening
- shaped extension
- extension part
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Abstract
The utility model discloses a linkage unlocking structure of a door opening knob, wherein an intermediate gear is respectively meshed and connected with a driving gear and a driven gear; the middle gear comprises a second mounting part, a first arc-shaped extension part and a second arc-shaped extension part, the first arc-shaped extension part extends towards the driving gear, and straight teeth which are in arc distribution and meshed with the driving gear are arranged at the tail end of the first arc-shaped extension part; the second arc-shaped extension part extends towards the driven gear, and the tail end of the second arc-shaped extension part is provided with straight teeth which are in arc distribution and are meshed with the driven gear; the output shaft is vertically fixed to the driven gear. The linkage unlocking structure of the door opening knob directly connects the driving gear and the driven gear by utilizing the first arc-shaped extension part and the second arc-shaped extension part of the intermediate gear, and solves the problems that a plurality of gears need to be arranged between the output shaft and the door opening knob, the friction force is high, and the transmission efficiency is low.
Description
Technical Field
The utility model relates to a tool to lock technical field, especially a linkage structure of unblanking of knob opens door.
Background
For the sake of safety, a mechanical unlocking mechanism with an emergency unlocking function is generally installed on an existing intelligent door lock, so that the situation that electronic elements are damaged and cannot be normally unlocked is avoided. For aesthetic reasons, the door opening knob of the mechanical unlocking mechanism with the emergency unlocking function is generally installed at a position far away from the output shaft for unlocking, when the output shaft is far away from the door opening knob, a plurality of gears are arranged between the output shaft and the door opening knob to meet the transmission requirement, but the more the gears are, the higher the friction force is, and the lower the transmission efficiency is.
SUMMERY OF THE UTILITY MODEL
To the above defect, the utility model aims to provide a linkage structure of unblanking of knob opens door, the first arc extension and the second arc extension that utilize intermediate gear directly will driving gear and driven gear transmission couple together, have solved the output shaft and have opened the door and need set up a plurality of gears between the knob, and the frictional force is high, problem that transmission efficiency is low.
To achieve the purpose, the utility model adopts the following technical proposal: a linkage unlocking structure of a door opening knob comprises the door opening knob, a driving gear, an intermediate gear, a driven gear and an output shaft, wherein the door opening knob is arranged on a rear panel;
the door opening knob is fixedly connected with the driving gear and drives the driving gear to rotate;
the middle gear comprises a second mounting part, a first arc-shaped extension part and a second arc-shaped extension part, the rear end of the second mounting part is rotatably connected with the rear panel, and the first arc-shaped extension part and the second arc-shaped extension part are respectively arranged at the upper end and the lower end of the second mounting part;
the first arc-shaped extension part extends towards the driving gear, and straight teeth which are in arc distribution and meshed with the driving gear are arranged at the tail end of the first arc-shaped extension part;
the second arc-shaped extension part extends towards the driven gear, and straight teeth which are in arc distribution and meshed with the driven gear are arranged at the tail end of the second arc-shaped extension part;
the output shaft is vertically fixed to the driven gear.
In some embodiments, the rear panel is provided with a limit flat post at two sides of the second mounting portion perpendicular to the extending direction of the first arc-shaped extending portion.
It is worth to say that driven gear includes third installation department and third gear connection portion, the one end of third installation department with rear panel swivelling joint, the orientation of the other end of third installation department the lateral wall of driving gear is equipped with third gear connection portion, third gear connection portion with the straight-tooth looks meshing of second arc extension.
Optionally, the driven gear further includes a protruding portion, the protruding portion is provided with a mounting groove for mounting the output shaft, and an axis of the mounting groove coincides with an axis of the third gear connecting portion.
Specifically, the side wall of the boss is provided with an opening, correspondingly, the corresponding position of the output shaft is provided with an installation screw hole matched with the opening, and the opening is connected with the installation screw hole through a fixing screw rod.
Preferably, the output shaft is of a square strip structure, and correspondingly, the mounting groove is a square strip groove matched with the output shaft in shape.
In some embodiments, the edge of the mounting groove is provided with a mounting slide which inclines towards the inside of the mounting groove.
It is worth to say that, the protruding portion is disposed on a side of the third mounting portion away from the rear panel.
Optionally, the driving gear includes first installation department, the one end orientation of first installation department the knob that opens the door, the one end of first installation department is passed behind the rear panel with knob fixed connection opens the door.
Specifically, the driving gear still includes first gear connection portion, the orientation of the other end of first installation department the lateral wall of driving gear is equipped with first gear connection portion, first gear connection portion with the straight-tooth looks meshing of first arc extension.
The utility model has the advantages that: the user wrench movement the knob that opens the door, the knob that opens the door drives the driving gear rotates, the driving gear is through rather than engaged with first arc extension drives the second installation department in the rear panel rotates, thereby drives second arc extension rotates, then second arc extension drives rather than engaged with driven gear rotates, driven gear will drive the output shaft rotates to the realization is unblanked. The first arc-shaped extension part and the second arc-shaped extension part of the intermediate gear in the linkage unlocking structure of the door opening knob can directly connect the driving gear and the driven gear in a transmission manner, so that excessive intermediate transition gears are prevented from being arranged between the driving gear and the driven gear, friction is reduced, and transmission efficiency is improved.
Because first arc extension be to the direction of driving gear extends and is provided with the straight-teeth that the arc distributes, second arc extension be to the driven gear direction extends and is provided with the straight-teeth that the arc distributes, and this structure can improve greatly intermediate gear's rotation diameter makes driving gear and driven gear only need just can realize the transmission through an intermediate gear and connect. Because this structure is not the structure of a holistic round, but has set up the structure of the straight-tooth that satisfies the arc distribution of the rotation distance of unblanking, this structure is the structure that arc shape was gone up to both ends, and is whole intermediate gear is long, the long banding of controlling both ends narrowly for upper and lower both ends to can install in the narrow length in the rear panel and can guarantee both ends can not touch about intermediate gear the edge of rear panel.
Drawings
Fig. 1 is a front view of an embodiment of the present invention;
fig. 2 is a left side view of an embodiment of the present invention;
fig. 3 is an exploded view of an embodiment of the present invention;
fig. 4 is a schematic structural view of a driven gear and an output shaft in an embodiment of the present invention;
wherein: 1 a rear panel; 11, limiting flat columns; 2, a door opening knob; 3, driving gear; 31 a first mounting portion; 32 a first gear connection; 4 an intermediate gear; 41 a second mounting portion; 42 a first arcuate extension; 43 a second arcuate extension; 5 a driven gear; 51 a third mounting portion; 52 a third gear connection; 53 a convex part; 54 mounting grooves; 55 fixing the screw rod; 56 installing a slideway; 6 output shaft.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, features defined as "first" and "second" may explicitly or implicitly include one or more of the features for distinguishing between descriptive features, non-sequential, non-trivial and non-trivial.
In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The following describes a linked unlocking structure of a door opening knob according to an embodiment of the present invention with reference to fig. 1 to 4, including a door opening knob 2 mounted on a rear panel 1, a driving gear 3, an intermediate gear 4, a driven gear 5 and an output shaft 6, wherein the intermediate gear 4 is respectively engaged with the driving gear 3 and the driven gear 5;
the door opening knob 2 is fixedly connected with the driving gear 3 and drives the driving gear 3 to rotate;
the intermediate gear 4 comprises a second mounting part 41, a first arc-shaped extension part 42 and a second arc-shaped extension part 43, the rear end of the second mounting part 41 is rotatably connected with the rear panel 1, and the first arc-shaped extension part 42 and the second arc-shaped extension part 43 are respectively arranged at the upper end and the lower end of the second mounting part 41;
the first arc-shaped extension part 42 extends towards the direction of the driving gear 3, and the tail end of the first arc-shaped extension part 42 is provided with straight teeth which are meshed with the driving gear 3 and distributed in an arc shape;
the second arc-shaped extension part 43 extends towards the driven gear 5, and the tail end of the second arc-shaped extension part 43 is provided with straight teeth which are meshed with the driven gear 5 and distributed in an arc shape;
the output shaft 6 is vertically fixed to the driven gear 5.
The user wrench movement knob 2 opens the door, the knob 2 that opens the door drives driving gear 3 rotates, driving gear 3 is through rather than engaged with first arc extension 42 drives second installation department 41 in rear panel 1 rotates, thereby drives second arc extension 43 rotates, then second arc extension 43 drives and rotates rather than engaged with driven gear 5, driven gear 5 will drive output shaft 6 rotates to the realization is unblanked. The first arc-shaped extension part 42 and the second arc-shaped extension part 43 of the intermediate gear 4 in the linkage unlocking structure of the door opening knob can directly connect the driving gear 3 and the driven gear 5 in a transmission manner, so that excessive intermediate transition gears are prevented from being arranged between the driving gear 3 and the driven gear 5, the friction force is reduced, and the transmission efficiency is improved.
As shown in fig. 1 and 2, the rear end of the second mounting portion 41 is close to the rear panel 1, the lower end of the second mounting portion 41 is close to the driving gear 3, and the upper end of the second mounting portion 41 is close to the driven gear 5. Because first arc extension 42 for to the direction of driving gear 3 extends and is provided with the straight-tooth that the arc distributes, second arc extension 43 for to driven gear 5 direction extends and is provided with the straight-tooth that the arc distributes, and this structure can improve greatly the rotation diameter of intermediate gear 4 makes driving gear 3 and driven gear 5 only need just can realize the transmission through an intermediate gear 4 and connect. Because this structure is not the structure of a holistic round, but has set up the structure of the straight-tooth that satisfies the arc distribution of the rotation distance of unblanking, this structure is the structure that arc shape was gone up to both ends, and is whole intermediate gear 4 is long, the long banding of both ends is narrow about for both ends about, to can install in the narrow length in the rear panel 1 and can guarantee both ends can not touch about intermediate gear 4 the edge of rear panel 1.
In some embodiments, the rear panel 1 is provided with a limit flat post 11 on each of two sides of the second mounting portion 41 perpendicular to the extending direction of the first arc-shaped extending portion 42.
As shown in fig. 1, the left and right are both sides of the second mounting portion 41 perpendicular to the extending direction of the first arc-shaped extending portion 42. The limit flat column 11 is used for limiting the rotation angle of the intermediate gear 4 and preventing the intermediate gear 4 from rotating over and disengaging from the driving gear 3 and the driven gear 5. When the intermediate gear 4 rotates clockwise to a proper position, the limiting flat column 11 on the left blocks the first arc-shaped extension part 42, and the limiting flat column 11 on the right blocks the second arc-shaped extension part 43; when the intermediate gear 4 rotates counterclockwise to a proper position, the limiting flat column 11 on the right blocks the first arc-shaped extension part 42, and the limiting flat column 11 on the left blocks the second arc-shaped extension part 43.
It is worth to say that the driven gear 5 includes a third mounting portion 51 and a third gear connecting portion 52, one end of the third mounting portion 51 is rotatably connected to the rear panel 1, the other end of the third mounting portion 51 faces the side wall of the driving gear 3 and is provided with the third gear connecting portion 52, and the third gear connecting portion 52 is meshed with the straight teeth of the second arc-shaped extending portion 43.
As shown in fig. 2, the rear side is one end of the third mounting portion 51, and the front side is the other end of the third mounting portion 51. When the lock is unlocked, the driving gear 3 drives the intermediate gear 4 to rotate, the second arc-shaped extension part 43 of the intermediate gear 4 drives the third installation part 51 to rotate on the rear panel 1 through the third gear connection part 52 meshed with the second arc-shaped extension part, and finally the driven gear 5 drives the output shaft 6 to rotate, so that the lock is unlocked.
Optionally, the driven gear 5 further includes a protruding portion 53, the protruding portion 53 is opened with a mounting groove 54 for mounting the output shaft 6, and an axis of the mounting groove 54 coincides with an axis of the third gear connecting portion 52.
The output shaft 6 is installed in the boss 53 through the installation groove 54, thereby achieving synchronous rotation with the driven gear 5. When the axis of the mounting groove 54 coincides with the axis of the third gear connecting portion 52, the axes of the output shaft 6 and the third gear connecting portion 52 can coincide, so that the rotation centers of the output shaft 6 and the third gear connecting portion 52 coincide, the output shaft 6 is ensured not to shake during rotation, and the unlocking accuracy is improved.
Specifically, the side wall of the protruding portion 53 is provided with an opening, and correspondingly, the corresponding position of the output shaft 6 is provided with an installation screw hole matched with the opening, and the opening and the installation screw hole are connected through a fixing screw 55.
After the output shaft 6 is installed in the installation groove 54, the fixing screw 55 is locked in the installation screw after passing through the opening, so that the output shaft 6 and the boss 53 can be fixed together without relative movement therebetween, and the unlocking accuracy is further improved.
Preferably, the output shaft 6 has a square bar structure, and correspondingly, the mounting groove 54 is a square bar groove matched with the shape of the output shaft 6.
Compared with the cylindrical structure, the output shaft 6 with the square bar structure can form a relatively stable structure with the convex part 53 after being inserted into the mounting groove 54, so that relative rotation between the output shaft 6 and the convex part 53 cannot occur, and the driven gear 5 can drive the output shaft 6 to rotate.
In some embodiments, the edge of the mounting slot 54 is provided with a mounting slide 56 that is inclined into the mounting slot 54.
The installation slide way 56 is arranged, so that the output shaft 6 can be more easily inserted into the installation groove 54 of the boss 53, and the installation speed is increased.
It should be noted that the protruding portion 53 is disposed on a side of the third mounting portion 51 away from the rear panel 1.
As shown in fig. 2, the front side is a side of the third mounting portion 51 away from the rear panel 1. During installation, the driven gear 5 is installed on the rear panel 1, then the output shaft 6 is installed in the installation groove 54 of the protruding portion 53, and when the protruding portion 53 is arranged in front of the third installation portion 51, an installer can conveniently lock the fixing screw 55.
Optionally, the driving gear 3 includes a first installation part 31, one end of the first installation part 31 faces the door opening knob 2, and one end of the first installation part 31 passes through the rear panel 1 and the door opening knob 2 in fixed connection.
As shown in fig. 2, the rear is one end of the first mounting portion 31. The user twists during the knob 2 that opens the door, the knob 2 that opens the door will drive first installation department 31 rotates, and is whole this moment driving gear 3 will rotate.
Specifically, the driving gear 3 further includes a first gear connecting portion 32, the other end of the first mounting portion 31 faces the side wall of the driving gear 3, the first gear connecting portion 32 is provided, and the first gear connecting portion 32 is engaged with the straight teeth of the first arc-shaped extending portion 42.
As shown in fig. 2, the front side is the other end of the first mounting portion 31. When the lock is unlocked, the first installation part 31 drives the first gear connection part 32 to rotate, the first gear connection part 32 drives the second installation part 41 to rotate through the first arc-shaped extension part 42 meshed with the first gear connection part, so that the intermediate gear 4 rotates, and then the intermediate gear 4 drives the driven gear 5 and the output shaft 6 to rotate, so that the lock is unlocked.
Other configurations and operations of a linked unlocking structure of a door opening knob according to an embodiment of the present invention are known to those skilled in the art and will not be described in detail herein.
In the description herein, references to the description of the terms "embodiment," "example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. The utility model provides a linkage structure of unblanking of knob opens door which characterized in that: the door opening device comprises a door opening knob, a driving gear, an intermediate gear, a driven gear and an output shaft, wherein the door opening knob, the driving gear, the intermediate gear, the driven gear and the output shaft are arranged on a rear panel;
the door opening knob is fixedly connected with the driving gear and drives the driving gear to rotate;
the middle gear comprises a second mounting part, a first arc-shaped extension part and a second arc-shaped extension part, the rear end of the second mounting part is rotatably connected with the rear panel, and the first arc-shaped extension part and the second arc-shaped extension part are respectively arranged at the upper end and the lower end of the second mounting part;
the first arc-shaped extension part extends towards the driving gear, and straight teeth which are in arc distribution and meshed with the driving gear are arranged at the tail end of the first arc-shaped extension part;
the second arc-shaped extension part extends towards the driven gear, and straight teeth which are in arc distribution and meshed with the driven gear are arranged at the tail end of the second arc-shaped extension part;
the output shaft is vertically fixed to the driven gear.
2. The linked unlocking structure of the door opening knob according to claim 1, wherein: the rear panel is arranged on two sides of the second installation part, perpendicular to the extending direction of the first arc-shaped extension part, of the second installation part, and limiting flat columns are arranged on two sides of the second installation part, perpendicular to the extending direction of the first arc-shaped extension part, of the rear panel respectively.
3. The linked unlocking structure of the door opening knob according to claim 2, wherein: driven gear includes third installation department and third gear connection portion, the one end of third installation department with rear panel swivelling joint, the orientation of the other end of third installation department the lateral wall of driving gear is equipped with third gear connection portion, third gear connection portion with the straight-tooth of second arc extension meshes mutually.
4. The linked unlocking structure of the door opening knob according to claim 3, wherein: the driven gear further comprises a protruding portion, a mounting groove used for mounting the output shaft is formed in the protruding portion, and the axis of the mounting groove coincides with the axis of the third gear connecting portion.
5. The linked unlocking structure of the door opening knob according to claim 4, wherein: the side wall of the protruding portion is provided with an opening, correspondingly, the corresponding position of the output shaft is provided with an installation screw hole matched with the opening, and the opening is connected with the installation screw hole through a fixing screw rod.
6. The linked unlocking structure of the door opening knob according to claim 5, wherein: the output shaft is of a square strip structure, and correspondingly, the mounting groove is a square strip groove matched with the shape of the output shaft.
7. The linked unlocking structure of the door opening knob according to claim 6, wherein: and the edge of the mounting groove is provided with a mounting slideway which inclines towards the inside of the mounting groove.
8. The linked unlocking structure of the door opening knob according to claim 7, wherein: the protruding portion is arranged on one side, far away from the rear panel, of the third mounting portion.
9. The linked unlocking structure of the door opening knob according to claim 8, wherein: the driving gear includes first installation department, the one end orientation of first installation department the knob of opening the door, the one end of first installation department is passed behind the rear panel with knob fixed connection opens the door.
10. The linked unlocking structure of the door opening knob according to claim 9, wherein: the driving gear still includes first gear connection portion, the orientation of the other end of first installation department the lateral wall of driving gear is equipped with first gear connection portion, first gear connection portion with the straight-tooth looks meshing of first arc extension.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121088980.7U CN214659412U (en) | 2021-05-20 | 2021-05-20 | Linkage unlocking structure of door opening knob |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121088980.7U CN214659412U (en) | 2021-05-20 | 2021-05-20 | Linkage unlocking structure of door opening knob |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214659412U true CN214659412U (en) | 2021-11-09 |
Family
ID=78484947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121088980.7U Active CN214659412U (en) | 2021-05-20 | 2021-05-20 | Linkage unlocking structure of door opening knob |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214659412U (en) |
-
2021
- 2021-05-20 CN CN202121088980.7U patent/CN214659412U/en active Active
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